Mercury – Black Max Propeller | 9" Diameter x 10.5" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | Glossy Phantom Black Finish | 828158A12

Overview

Once you’ve been boating a while, you learn it’s not about the flash — it’s about the gear that works when you need it to. The Mercury Black Max 3-Blade Aluminum Propeller is one of those dependable standbys you can count on every time you launch. It’s smooth, balanced, and built to give small outboards a clean push through the water without any fuss. Whether you’re taking your small boat out for a quick cast or wandering through quiet backwaters, this prop runs steady and smooth so you can just enjoy the ride..

Key Features

• Diameter and Pitch: 9" Diameter x 10.5" Pitch

• Rotation: Right-Hand

• Blade Count: 3 Blades

• Material: Mercury’s patented Mercalloy aluminum alloy for lasting strength and flexibility

• Finish: Glossy Phantom Black enamel for corrosion resistance and long-term shine

• Hub System: Rubber bushing absorbs vibration and cushions the drivetrain from light impacts

• Design Details: Smooth, balanced blade design for predictable acceleration and clean water grip

Engine & Boat Compatibility

• Fits Mercury and Mariner 6–15 horsepower TwoStroke outboards

• Compatible with 9.9 horsepower FourStroke (1995–2004) and 15 horsepower FourStroke (through 2007) models

• Also fits 10–15 horsepower SeaPro and Marathon outboards

• Ideal for small fishing boats, tenders, inflatables, and lightweight utility craft

• A great choice for boaters who want easy control, reliable performance, and simple upkeep

Performance Benefits

Smooth, Steady Power: The Black Max delivers quiet, consistent thrust that feels natural from the moment you ease into gear. You’ll notice how evenly it grips the water — no slipping, no vibration, just smooth motion as your boat glides forward.

Responsive Control: With its 9" diameter and 10.5" pitch, this prop hits the sweet spot for smaller motors. It offers clean lift and steady pull, giving you the control you need for tight maneuvers or calm cruising. Steering feels light and predictable, even in shifting current or breeze.

Forgiving Durability: Built from Mercury’s advanced Mercalloy aluminum alloy, this prop stands up to bumps, shallow water, or floating debris without bending or cracking. It’s tough but flexible — the kind of strength that keeps you on the water instead of in the repair shop.

Reduced Vibration: The rubber hub insert acts like a cushion between your motor and the propeller, helping absorb shocks and minimize vibration. The result is a smoother ride that feels easy on your hands and gear.

Simple Maintenance: A quick rinse after each trip is all it takes to keep it in great shape. The glossy Phantom Black finish resists corrosion in both saltwater and freshwater, so you can expect it to stay looking sharp and running strong for years.

Why This Prop Is a Strong Choice vs. Alternatives

• Mercury OEM Quality: Designed, tested, and refined by Mercury engineers for precise fit and dependable operation.

• Reliable and Easy to Maintain: Simple upkeep and rugged construction mean fewer worries on the water.

• Cost-Effective Performance: Delivers the smooth handling and steady thrust of a premium prop at an affordable value.

• Versatile Fit: Works beautifully across a variety of small-boat setups and outboards.

• Trusted by Boaters: Known for its quiet operation, forgiving design, and long-lasting performance season after season.

FAQ

Q1: Which Mercury engines does the Black Max 3-Blade Aluminum Propeller fit?

It fits Mercury and Mariner 6–15 horsepower TwoStroke outboards, 9.9 horsepower FourStroke (1995–2004), 15 horsepower FourStroke (through 2007), and 10–15 horsepower SeaPro or Marathon models.

Q2: What makes this propeller different from other Mercury options?

Its Mercalloy aluminum construction gives it the perfect blend of strength and flexibility, while the rubber hub insert reduces vibration and helps protect your drivetrain.

Q3: How do I know if this pitch or size is right for my boat?

If your outboard falls within the 6–15 horsepower range and you want smooth handling with dependable acceleration, the 9" x 10.5" pitch is a solid match. You can confirm compatibility in your owner’s manual or with your local Mercury dealer.

Q4: Can this prop be used in both saltwater and freshwater?

Yes. Its Phantom Black enamel finish protects against corrosion in both environments.

Q5: What hub system does it use?

It includes a rubber bushing hub system that absorbs vibration and cushions your drivetrain from light impacts, helping extend the life of your engine components.